So, I accidently sped through the credits and then on the Emulator it basically reset the game right away, so I don't have a picture of it, so I don't care if you add me aha. I just know I beat it and leveled him up to 90 on his Arcanine.
A lot training and super effective helped me.
And I got to say, Charizard is probably the hardest for a solo run.

As Kraydl said you can go to your PC's hall of fame, but, since screenshots, videos, etc. are not required you don't have to do it. I have already added you to the list of champions.